Home / 6,143.84-9,213.68-2,680.16

Finding the Fourth Proportional to 6,143.84, 9,213.68 and 2,680.16

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Solution

The fourth proportional to 6,143.84, 9,213.68 and 2,680.16 is: 4,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.84 : 9,213.68 = 2,680.16 : x
  2. Step 2: Convert to fraction form
    6,143.84/9,213.68 = 2,680.16/x
  3. Step 3: Cross multiply
    6,143.84x = 9,213.68 × 2,680.16
  4. Step 4: Simplify right side
    6,143.84x = 24,694,136.59
  5. Step 5: Solve for x
    x = 24,694,136.59/6,143.84
  6. Step 6: Final answer
    x = 4,019.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.